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Identify the structure labeled 4 in the angiograms provided below.
A 59-year-old man with HTN, T2D, and peripheral vascular disease presents with sudden complete loss of vision in the left eye, which resolved after about 20 minutes. He denies any other symptoms. Which of the following vessels was most likely obstructed?
Which of the following is the correct order of venous structures related to cerebral blood drainage?
Which of the following arteries supplies the lumbar spinal cord?
A 79-year-old woman presented with the acute onset of difficulty walking and nausea that started about 24 hours before presentation. Examination revealed left-beating nystagmus and left-sided appendicular and truncal ataxia. Her axial FLAIR MRI imaging is shown below. The pathology shown is seen in which of the following vascular territories?
According to the Bouthillier Classification, which segment of the internal carotid artery is colored below in orange in this sagittal angiogram?
Which of the following identifies the vein of Galen?
A blood clot in which artery explains the findings below?
Which of the following structures are not supplied by the posterior cerebral artery (PCA)?
Which of the following arteries supplies the head of the caudate nucleus and the anterior limb of the internal capsule?
Which of the following is the correct order of internal carotid artery segments (from proximal to distal)?
The vessel labeled 1 in the angiogram provided supplies all of the following structures EXCEPT:
Occlusion of the vessel labeled 1 in the angiogram below would lead to which of the following symptoms?
A 29-year-old female taking oral contraceptive pills (OCPs), but with no other known medical history, presents for a 3-week course of progressive headache. Given her risk factors, the following imaging study is performed. An occlusion within which of the following structures is seen?
Which of the following arteries provides the prominent supply to the posterior limb of the internal capsule?
A 72-year-old male with a past medical history of hypertension presents with an acute onset of right upper and lower extremity weakness. The sensory exam is normal. Right homonymous hemianopia is also appreciated. Which of the following vessels is most likely affected?
Which of the following structures is supplied by the recurrent artery of Heubner?
A lesion to which of the following arteries could produce the ischemic findings shown in the MRI below (Brain MRI, axial cuts. Left: DWI sequence. Right: ADC sequence).
Which of the following findings is depicted in the MR Angiogram shown below?
Which of the following identifies the sigmoid sinus?
Which of the following findings is depicted in the catheter angiogram shown?
Which of the following identifies the straight sinus?